Keywords: Stokers for Lancashire Boilers-Tracts vol 9 p442.jpg after 1882 The original from which this has been scanned is in the North of England Institute of Mining and Mechanical Engineers It is reference Tracts vol 57 p298 The scan and the upload to Wiki Commons have been made with the permission and direction of their librarian Jennifer Kelly 2013-12-03 11 02 22 Clarke Chapman Gurney's application of Butcher's patent for mechanical stoking apparatus Clarke Chapman Gurney Gateshead Custom license marker 2013 12 10 PD-old-70-1923 PD-US Uploaded with UploadWizard North of England Institute of Mining and Mechanical Engineers Gateshead Clarke Chapman boilers Lancashire boilers Stokers |